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refreshwants.go
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refreshwants.go
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package background
import (
"context"
"fmt"
"log"
"time"
"github.com/brotherlogic/discogs"
dpb "github.com/brotherlogic/discogs/proto"
pb "github.com/brotherlogic/gramophile/proto"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func wfilter(filter *pb.WantFilter, release *dpb.Release) bool {
log.Printf("FILTER: %v", filter)
for _, ef := range filter.GetExcludeFormats() {
for _, f := range release.GetFormats() {
if f.GetName() == ef {
return false
}
}
}
if len(filter.GetFormats()) == 0 {
return true
}
found := false
for _, af := range filter.GetFormats() {
for _, f := range release.GetFormats() {
if f.GetName() == af {
found = true
}
}
}
return found
}
func (b *BackgroundRunner) AddMasterWant(ctx context.Context, d discogs.Discogs, want *pb.Want) error {
// Load the record
record, err := d.GetRelease(ctx, want.GetId())
if err != nil {
return err
}
if wfilter(want.GetMasterFilter(), record) {
return b.db.SaveWant(ctx, d.GetUserId(), want, "Adding from master")
}
return nil
}
func (b *BackgroundRunner) handleMasterWant(ctx context.Context, d discogs.Discogs, want *pb.Want, authToken string, enqueue func(context.Context, *pb.EnqueueRequest) (*pb.EnqueueResponse, error)) error {
master, err := d.GetMasterReleases(ctx, want.GetMasterId(), 1, dpb.MasterSort_BY_YEAR)
log.Printf("MASTERS: %v %v", master, err)
if err != nil {
return err
}
for _, pwant := range master {
_, err = enqueue(ctx, &pb.EnqueueRequest{
Element: &pb.QueueElement{
Auth: authToken,
RunDate: time.Now().UnixNano(),
Entry: &pb.QueueElement_AddMasterWant{AddMasterWant: &pb.AddMasterWant{Want: &pb.Want{Id: pwant.GetId(), MasterId: want.GetMasterId(), MasterFilter: want.GetMasterFilter()}}},
}})
}
// resync the wants if we added anything
if len(master) > 0 {
_, err := enqueue(ctx, &pb.EnqueueRequest{
Element: &pb.QueueElement{
Auth: authToken,
RunDate: time.Now().UnixNano(),
Entry: &pb.QueueElement_SyncWants{},
},
})
return err
}
return nil
}
func (b *BackgroundRunner) RefreshWant(ctx context.Context, d discogs.Discogs, want *pb.Want, authToken string, enqueue func(context.Context, *pb.EnqueueRequest) (*pb.EnqueueResponse, error)) error {
if want.GetState() == pb.WantState_WANTED {
if want.GetMasterId() > 0 && want.GetId() == 0 {
return b.handleMasterWant(ctx, d, want, authToken, enqueue)
}
_, err := d.AddWant(ctx, want.GetId())
return err
}
if want.GetMasterId() > 0 {
return status.Errorf(codes.Internal, "Unable to delete master id currently")
}
return d.DeleteWant(ctx, want.GetId())
}
func (b *BackgroundRunner) SyncWants(ctx context.Context, d discogs.Discogs, user *pb.StoredUser, enqueue func(context.Context, *pb.EnqueueRequest) (*pb.EnqueueResponse, error)) error {
wants, err := b.db.GetWants(ctx, d.GetUserId())
if err != nil {
return err
}
for _, w := range wants {
_, err = enqueue(ctx, &pb.EnqueueRequest{
Element: &pb.QueueElement{
RunDate: time.Now().UnixNano(),
Auth: user.GetAuth().GetToken(),
Entry: &pb.QueueElement_RefreshWant{
RefreshWant: &pb.RefreshWant{
Want: w,
}}},
})
if err != nil {
return err
}
}
mwants, err := b.db.GetMasterWants(ctx, d.GetUserId())
if err != nil {
return err
}
for _, w := range mwants {
_, err = enqueue(ctx, &pb.EnqueueRequest{
Element: &pb.QueueElement{
RunDate: time.Now().UnixNano(),
Auth: user.GetAuth().GetToken(),
Entry: &pb.QueueElement_RefreshWant{
RefreshWant: &pb.RefreshWant{
Want: w,
}}},
})
if err != nil {
return err
}
}
return nil
}
func (b *BackgroundRunner) RefreshWants(ctx context.Context, d discogs.Discogs) error {
// Look for any wants that have been purchased
recs, err := b.db.LoadAllRecords(ctx, d.GetUserId())
if err != nil {
return fmt.Errorf("unable to load all records: %w", err)
}
wants, err := b.db.GetWants(ctx, d.GetUserId())
if err != nil {
return fmt.Errorf("unable to load all wants: %w", err)
}
for _, want := range wants {
for _, rec := range recs {
if want.GetId() == rec.GetRelease().GetId() {
want.State = pb.WantState_PURCHASED
err := b.db.SaveWant(ctx, d.GetUserId(), want, "Found purchased record")
if err != nil {
return fmt.Errorf("unable to save want: %w", err)
}
continue
}
}
}
return nil
}